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SubjectRe: BUG: failure at mm/nommu.c:518/add_nommu_region()
Date

Can you try the attached patch, please?

David
---
From: David Howells <dhowells@redhat.com>
Subject: [PATCH] NOMMU: Don't check vm_region::vm_start is page aligned in add_nommu_region()

Don't check vm_region::vm_start is page aligned in add_nommu_region() because
the region may reflect some non-page-aligned mapped file, such as could be
obtained from RomFS XIP.

Signed-off-by: David Howells <dhowells@redhat.com>
---

mm/nommu.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)


diff --git a/mm/nommu.c b/mm/nommu.c
index cdc6f60..325706b 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -515,8 +515,6 @@ static void add_nommu_region(struct vm_region *region)

validate_nommu_regions();

- BUG_ON(region->vm_start & ~PAGE_MASK);
-
parent = NULL;
p = &nommu_region_tree.rb_node;
while (*p) {

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